CN218926690U - Quick frame welding frock of piecing together of power battery tray - Google Patents
Quick frame welding frock of piecing together of power battery tray Download PDFInfo
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- CN218926690U CN218926690U CN202223139017.4U CN202223139017U CN218926690U CN 218926690 U CN218926690 U CN 218926690U CN 202223139017 U CN202223139017 U CN 202223139017U CN 218926690 U CN218926690 U CN 218926690U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model provides a quick frame welding frock of piecing together of power battery tray, welding frock's frame both ends are the end frame, and the axis department sets up the pivot seat on the end frame, and the pivot seat is connected with the revolving stage through the pivot; a plurality of positioning and clamping devices are arranged around the frame. The tool used by the utility model can be matched with the operation requirement of the CMT welding robot for the frames of the battery tray, and the telescopic locating pins and the clamping devices corresponding to the frames in all directions are arranged on the rotatable tool frame, so that the frames of the tray can be clamped and welded once, the whole size of the battery tray is ensured, the welding quality is greatly improved, and the operation efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of processing of battery trays of new energy automobiles, in particular to a rapid frame splicing welding tool for a power battery tray.
Background
In recent years, new energy electric vehicles gradually replace fuel automobiles, and become an increasingly growing automobile type. The power battery in an electric vehicle is a storage component of its electric energy, which is a core component in the whole vehicle. The power battery module is carried by a battery tray, and the battery tray is connected with a vehicle chassis to form a firm carrying vehicle body. Because the weight of the new energy electric vehicle is closely related to the endurance mileage of the new energy electric vehicle, and because the weight of the vehicle body is reduced, the aluminum frame structure is excellent due to the light weight, corrosion resistance, recovery residual value and other comprehensive indexes, the new energy electric vehicle becomes a choice for more and more new energy automobiles, and the battery tray is used as an important structural component of the new energy electric vehicle, and the aluminum alloy material is not used for processing and manufacturing.
Most of the existing aluminum alloy battery trays are formed by connecting and combining aluminum alloy sections, and the hollow aluminum alloy sections have the advantages of small mass and strong bearing capacity. By utilizing the changeable hollow structure, the head and the tail are mutually overlapped or mortise and tenon to mortise joint to form the bearing structure of the longitudinal and transverse frames of the battery tray. When the battery tray is subjected to splice welding, the positions of the frame rod pieces are firmly fixed by a fixture clamp, and then the joint is welded by arc welding. At the widely used today of welding robot, how to adapt the frock clamp to the requirement of welding robot swing arm to and improve welded efficiency and quality, guarantee that the overall dimension of tray reaches the requirement, reduce dimensional error as far as possible is the problem that needs to be considered of importance in present aluminum alloy battery tray production.
Although some welding tools for battery trays are disclosed in the prior literature, there is no description about the welding of the power battery tray with the front frame, the front oblique frame, the left and right frames and the rear frame, and how to realize accurate and efficient welding for the power battery tray with multiple frames is a problem to be solved by those skilled in the art.
Disclosure of Invention
The utility model aims to provide a rapid frame splicing welding tool for a power battery tray, which can be matched with the operation requirement of a CMT welding robot for the frames of the battery tray, and the telescopic locating pins and clamping devices corresponding to the frames in all directions are arranged on a rotatable tool rack, so that the welding can be completed by clamping and welding a plurality of frames of the battery tray once, the whole size of the battery tray is ensured, the welding quality is greatly improved, and the operation efficiency is improved.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the power battery tray rapid frame splicing welding tool comprises an end frame at two ends of a frame of the welding tool, wherein a rotating shaft seat is arranged at a central axis of the end frame and is connected with a rotating table through a rotating shaft; a plurality of positioning and clamping devices are arranged around the frame.
The clamping device comprises a front clamping device, a front inclined clamping device, a rear clamping device, a right clamping device and a left clamping device.
The front clamping device, the front inclined clamping device, the rear clamping device, the right clamping device and the left clamping device are composed of a supporting table, a clamping cylinder, a quick clamp and a clamping arm, the clamping cylinder is installed on the supporting table, a piston rod of the clamping cylinder is fixedly connected with a connecting rod force application end of the quick clamp, and a connecting rod action end of the quick clamp is fixedly connected with the clamping arm.
A bolt cylinder is arranged below the supporting table, a piston rod of the bolt cylinder penetrates through a through hole of the supporting table, and the end part of the piston rod is connected with a positioning bolt; the rear clamping device is correspondingly provided with a rear positioning pin, the right clamping device is correspondingly provided with a right positioning pin, and the left clamping device is correspondingly provided with a left positioning pin.
The welding fixture is characterized in that a front positioning device is arranged on the inner side of the front part of the frame of the welding fixture, a positioning block is arranged at the end part of a cylinder piston rod of the front positioning device, and the inner end face of the positioning block is abutted to the inner side face of the front frame. The front positioning device has the functions that: and positioning the front and rear positions of the front frame.
The side part of the frame of the welding tool is provided with a side positioning device, the end part of a cylinder piston rod of the side positioning device is provided with a positioning block, and the end face of the positioning block is abutted against the end part of the front frame. The side positioning device has the functions that: and positioning the left and right positions of the front frame.
The welding fixture comprises a welding fixture body, a welding fixture, a clamping device, a positioning pin, a positioning device, a control box, a positioning button, a clamping device, a positioning device and an end frame, wherein the two ends of the welding fixture body are respectively provided with the end frames, the two end frames are respectively provided with the control boxes, and the two control boxes are respectively provided with the control button and are respectively electrically connected with the clamping device, the positioning pin and the positioning device.
The middle part of the frame is provided with a middle beam which is horizontally and longitudinally arranged. The longitudinal and transverse middle beam structure can ensure that the frame has better structural rigidity and ensures the stability of the battery tray frame in the spin welding process.
The welding positioning method of the rapid frame splicing welding tool of the power battery tray comprises the following steps: the battery tray frame comprises a front frame, a rear frame, a left frame, a right frame and a front bevel edge frame, wherein two process holes are respectively pre-processed on the rear frame, the left frame and the right frame, matched telescopic locating pins and clamping devices are respectively arranged on a welding tool, the limit relation between the process holes and the locating pins is utilized, and the edges of the battery tray frame are clamped and fixed by the clamping devices, so that the welding positions are fixed.
The welding positioning method further comprises the following steps:
(A) The rear locating pin is lifted, the rear frame is placed in the rear locating pin, the two process holes are aligned with the rear locating pin to be inserted, the rear clamping device clamps the rear frame, and the rear frame is located;
(B) The left locating pin is lifted, the left frame is placed in the left locating pin, the two process holes are aligned with the left locating pin to be inserted, the left clamping device clamps the left frame, and the left frame is located;
(C) The right locating pin is lifted, the right frame is placed in the right locating pin, the two process holes are aligned with the right locating pin to be inserted, the right clamping device clamps the right frame, and the right frame is located;
(D) The cylinder of the side positioning device stretches out, the front frame is placed in the cylinder, the end part of the front frame abuts against the side positioning device, the front positioning device retracts and abuts against the inner side surface of the front frame, then the front clamping device clamps the edge of the front frame, and the front frame is positioned; the cylinder of the side positioning device is retracted, and the front positioning device is extended;
(E) The front oblique frames are respectively placed on two sides of the front frame, two ends of the front oblique frame are abutted against the ends of the front frame and the left and right frames, and the front oblique clamping device clamps the front oblique frame, so that the positioning of the front oblique frame is finished;
(F) And starting the CMT welding robot to weld, automatically rotating the welding tool along with the welding position, and loosening all the clamping and positioning devices after welding is completed.
The utility model has the advantages that:
1. the utility model is applied to the splice welding of the all-aluminum battery tray frame, can match the operation requirement of a battery tray frame CMT splice welding robot, and is characterized in that telescopic locating pins and clamping devices corresponding to frames in all directions are arranged on a rotatable tool rack, and the locating logic is as follows: the semi-closed frame formed by the rear frame, the left frame and the right frame with the process holes is formed, then the positioning of the front frame is finished on the basis that the semi-closed frame is fixed by the positioning bolts, the outline dimension of the battery tray frame can be accurately determined, and finally the front bevel frame is embedded into the vacant position and clamped and positioned after being attached. Through field test, from the clamping of section frame to welding completion, only need 8 minutes can accomplish all operations, has improved 150% than former work efficiency.
2. The utility model can realize the one-time clamping welding of each frame of the battery tray, and has the advantages of accurate, quick and stable positioning, greatly improved welding efficiency, improved welding operation efficiency and ensured overall size of the battery tray.
3. The positioning and clamping devices corresponding to the rear frame and the left and right frames adopt the pneumatic telescopic positioning pin and the pneumatic rapid clamping and clamping integrated clamping and positioning device for positioning, and the whole bolt clamping and positioning device is compact in structure and reasonable in arrangement.
4. The tooling equipment is high in automation degree and convenient to operate, the operation boxes are arranged at two ends of the end frame, and an operator can observe the assembly condition and operate the equipment.
Description of the drawings:
FIG. 1 is a schematic top view of the present utility model;
FIG. 2 is a layout of a telescopic locating pin and clamping device on a tooling;
FIG. 3 is a view showing the structure of the appearance of the clamping device with the telescopic locating pin;
FIG. 4 is a view showing another angular external appearance of the clamping device with the telescopic locating pin;
FIG. 5 is a view showing the structure of the appearance of the clamping device without the telescopic locating pin;
FIG. 6 is a view showing another angular external appearance of the clamping device without the telescoping dowel pin;
FIG. 7 is a schematic top view of a battery tray rim;
the serial numbers and part names in the figures are: 1-a frame; 11-a middle beam; 2-end frames; 21-a rotating shaft seat; 22-a control box; 3-front clamping means; 4-a rear clamping device; 41-rear locating pins; 5-right clamping means; 51-right locating pins; 6-left clamping device; 61-left locating pins; 7-a front oblique clamping device; 8-a front positioning device; 9-side positioning device.
Detailed Description
Example 1
A rapid frame splicing welding tool for a power battery tray comprises the following steps: the battery tray frame comprises a front frame, a rear frame, a left frame, a right frame and a front bevel edge frame, wherein two process holes are respectively pre-processed on the rear frame, the left frame and the right frame, matched telescopic locating pins and clamping devices are respectively arranged on a welding tool, the limit relation between the process holes and the locating pins is utilized, and the edges of the battery tray frame are clamped and fixed by the clamping devices, so that the welding positions are fixed.
The rapid frame splicing welding tool for the power battery tray, and the welding positioning method further comprises the following steps:
(A) The rear locating pin is lifted, the rear frame is placed in the rear locating pin, the two process holes are aligned with the rear locating pin to be inserted, the rear clamping device clamps the edge of the rear frame, and the rear frame is located;
(B) The left locating pin is lifted, the left frame is placed in the left locating pin, the two process holes are aligned with the left locating pin to be inserted, the left clamping device clamps the edge of the left frame, and the left frame is located;
(C) The right locating pin is lifted, the right frame is placed in the right locating pin, the two process holes are aligned with the right locating pin to be inserted, the right clamping device clamps the edge of the right frame, and the right frame is located;
(D) The cylinder of the side positioning device stretches out, the front frame is put in and abuts against the side positioning device, the front positioning device stretches out and abuts against the side face of the front frame, then the front clamping device clamps the edge of the front frame, and the front frame is positioned; the cylinder of the side positioning device is retracted;
(E) Respectively placing the front inclined frames at two ends of the front frame, and clamping the edges of the front inclined frames by a front inclined clamping device, so that the positioning of the front inclined frames is finished;
(F) And starting the CMT welding robot to weld, automatically rotating the welding tool along with the welding position, and loosening all the clamping and positioning devices after the welding is completed.
The two ends of a frame 1 of the welding tool are end frames 2, a rotating shaft seat 21 is arranged at the central axis of the end frames 2, and the rotating shaft seat 21 is connected with a rotating table through a rotating shaft; a plurality of positioning and clamping devices 31 are arranged around the frame 1.
The clamping device comprises a supporting table, a clamping cylinder, a quick clamp and a clamping arm, wherein the clamping cylinder is arranged on the supporting table, a piston rod of the clamping cylinder is fixedly connected with a connecting rod force application end of the quick clamp, and a connecting rod action end of the quick clamp is fixedly connected with the clamping arm.
The bolt cylinder is arranged below the supporting table of the clamping device, and a piston rod of the bolt cylinder penetrates through the end part of the supporting table to be connected with the positioning bolt.
The welding fixture is characterized in that two ends of a frame 1 of the welding fixture are end frames 2, control boxes 22 are respectively arranged on the two end frames 2, and control buttons are respectively arranged on the two control boxes 22 and are electrically connected with telescopic locating pins and clamping devices in all directions.
The middle part of the frame 1 is provided with a middle beam 11 which is horizontally and longitudinally arranged.
Claims (8)
1. The rapid frame splicing welding tool for the power battery tray is characterized in that two ends of a rack (1) of the welding tool are end frames (2), a rotating shaft seat (21) is arranged at the central axis of the end frames (2), and the rotating shaft seat (21) is connected with a rotating table through a rotating shaft; a plurality of positioning and clamping devices are arranged around the frame (1).
2. The rapid framing welding fixture of the power battery tray of claim 1, wherein: the clamping device comprises a front clamping device (3), a front inclined clamping device (7), a rear clamping device (4), a right clamping device (5) and a left clamping device (6).
3. The rapid framing welding fixture of the power battery tray of claim 2, wherein: the front clamping device (3), the front inclined clamping device (7), the rear clamping device (4), the right clamping device (5) and the left clamping device (6) are composed of a supporting table, a clamping cylinder, a quick clamp and a clamping arm, the supporting table is provided with the clamping cylinder, a piston rod of the clamping cylinder is fixedly connected with a connecting rod force application end of the quick clamp, and a connecting rod action end of the quick clamp is fixedly connected with the clamping arm.
4. The rapid framing welding fixture of claim 3, wherein: a bolt cylinder is arranged below the supporting table, a piston rod of the bolt cylinder penetrates through a through hole of the supporting table, and the end part of the piston rod is connected with a positioning bolt; the rear clamping device (4) is correspondingly provided with a rear positioning pin (41), the right clamping device (5) is correspondingly provided with a right positioning pin (51), and the left clamping device (6) is correspondingly provided with a left positioning pin (61).
5. The rapid framing welding fixture of the power battery tray of claim 1, wherein: the welding fixture is characterized in that a front positioning device (8) is arranged on the inner side of the front part of the frame of the welding fixture, a positioning block is arranged at the end part of a cylinder piston rod of the front positioning device (8), and the inner end face of the positioning block is abutted to the inner side face of the front frame.
6. The rapid framing welding fixture of the power battery tray of claim 1, wherein: the welding fixture is characterized in that a side positioning device (9) is arranged on the side part of the frame of the welding fixture, a positioning block is arranged at the end part of a cylinder piston rod of the side positioning device (9), and the end face of the positioning block is abutted to the end part of the front frame.
7. The rapid framing welding fixture of the power battery tray of claim 1, wherein: two ends of a frame (1) of the welding tool are end frames (2), control boxes (22) are respectively arranged on the two end frames (2), and control buttons are respectively arranged on the two control boxes (22) and electrically connected with each clamping device, each positioning pin and each positioning device.
8. The rapid framing welding fixture of the power battery tray of claim 1, wherein: the middle part of the frame (1) is provided with a middle beam (11) which is horizontally and longitudinally arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223139017.4U CN218926690U (en) | 2022-11-25 | 2022-11-25 | Quick frame welding frock of piecing together of power battery tray |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223139017.4U CN218926690U (en) | 2022-11-25 | 2022-11-25 | Quick frame welding frock of piecing together of power battery tray |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218926690U true CN218926690U (en) | 2023-04-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223139017.4U Active CN218926690U (en) | 2022-11-25 | 2022-11-25 | Quick frame welding frock of piecing together of power battery tray |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218926690U (en) |
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2022
- 2022-11-25 CN CN202223139017.4U patent/CN218926690U/en active Active
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